Species: uralensis (RIABININ, 1915)
Etymology: In reference to the Ural Mountains.
= Naosaurus uralensis RIABININ, 1915
= Edaphosaurus uralensis (RIABININ, 1915)
Holotype: PIN 570/38
Locality: Pechora River, Komi ASSR, European Russia.
Horizon:
Biostratigraphy:
Age: Ufimian stage, Early Permian.
Material: Fragmentary dentary.
Referred material:
PIN 570/39: Permaxillary bone.
PIN 570/12: Contour of symphysis.
= Riabininus cf. uralensis IVAKNENKO, 2008b
Locality: Ust'-Koin Locality, left tributary of Vym’ River, 1.1 km below mouth of Koin River, Vychegda River Basin, Knyazhpogostskii District, Komi Republic, European Russia.
Horizon: Biarmian Series, Upper Kazanian Substage.
Biostratigraphy: Ocher Faunal Assemblage, Golyusherman Faunal Subassemblage.
Age: Lower Kazanian substage, Capitanian Stage, Upper Guadelupian Stage, Middle Zechstein Epoch, Late Middle Permian.
Material:
Numbers: Not given: